<template>
  <el-card shadow="never" class="aui-card--fill">
    <div class="mod-teacher__teasturealation}">
      <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
        <el-form-item label="Teacher selection" prop="teacherId">
          <el-select v-model="dataForm.teacherId" clearable placeholder="Please select a teacher">
            <el-option
            v-for="item in teacherDataList"
            :key="item.id"
            :label="item.realName"
            :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button @click="getDataList()">{{ $t('query') }}</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="addOrUpdateHandle()">{{ $t('add')+'relationship' }}</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="danger" @click="deleteHandle()">{{ $t('deleteBatch')+'relationship' }}</el-button>
        </el-form-item>
      </el-form>
      <el-table v-loading="dataListLoading" :data="dataList" border @selection-change="dataListSelectionChangeHandle" style="width: 100%;">
        <el-table-column type="selection" header-align="center" align="center" width="50"></el-table-column>
        <el-table-column prop="teacherName" label="teacherName" header-align="center" align="center"></el-table-column>
        <el-table-column prop="studentName" label="studentName" header-align="center" align="center"></el-table-column>
        <el-table-column prop="createDate" label="createDate" header-align="center" align="center"></el-table-column>
        <el-table-column :label="$t('handle')" fixed="right" header-align="center" align="center" width="150">
          <template slot-scope="scope">
            <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.id)">{{ $t('update') }}</el-button>
            <el-button type="text" size="small" @click="deleteHandle(scope.row.id)">{{ $t('delete') }}</el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        :current-page="page"
        :page-sizes="[10, 20, 50, 100]"
        :page-size="limit"
        :total="total"
        layout="total, sizes, prev, pager, next, jumper"
        @size-change="pageSizeChangeHandle"
        @current-change="pageCurrentChangeHandle">
      </el-pagination>
      <!-- 弹窗, 新增 / 修改 -->
      <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>
    </div>
  </el-card>
</template>

<script>
import mixinViewModule from '@/mixins/view-module'
import AddOrUpdate from './teasturealation-add-or-update'
export default {
  mixins: [mixinViewModule],
  data () {
    return {
      mixinViewModuleOptions: {
        getDataListURL: '/teacher/teasturealation/page',
        getDataListIsPage: true,
        exportURL: '/teacher/teasturealation/export',
        deleteURL: '/teacher/teasturealation',
        deleteIsBatch: true
      },
      dataForm: {
        teacherId: ''
      },
      teacherDataList: []
    }
  },
  components: {
    AddOrUpdate
  },
  created () {
    this.queryTeaUser()
  },
  methods: {
    // 获取教师信息
    queryTeaUser() {
      this.$http
        .get(`/sys/user/queryTeaUser`)
        .then(({ data: res }) => {
          if (res.code !== 0) {
            return this.$message.error(res.msg);
          }
          this.teacherDataList = {
            ...this.teacherDataList,
            ...res.data,
          };
        })
        .catch(() => { });
    }
  }
}
</script>
